魅力聖誕老人節日攝影棚肖像

```json
{
"generation_request": {
"meta_data": {
"tool": "NanoBanana Pro",
"task_type": "photoreal_portrait",
"version": "v1.0",
"priority": "high"
},
"output_settings": {
"aspect_ratio": "3:4",
"orientation": "portrait",
"resolution": "ultra_high_res",
"render_style": "photorealistic",
"sharpness": "high",
"film_grain": "subtle"
},
"creative_prompt": {
"scene_summary": "一張寫實的攝影棚節日肖像，一位迷人的年輕女子身處聖誕主題房間，身穿紅色天鵝絨聖誕老人風格的洋裝和帽子，身後是裝飾好的聖誕樹，牆上掛著節日彩旗。柔和、乾淨、高檔的雜誌風格。",
"subject": {
"type": "young_adult_woman",
"pose": "四分之三身像，臀部略微傾斜，肩膀有角度，頭部輕輕傾斜，視線略微偏離鏡頭",
"expression": "柔和自信",
"skin": "自然膚質，毛孔可見，無塑膠感平滑",
"makeup": "柔和華麗妝容，玫瑰色腮紅，清晰眼線，自然光澤粉色唇妝",
"hair": "極長、直髮、光澤烏黑秀髮，中分，輕微風吹拂動感"
},
"outfit_and_accessories": {
"headwear": "經典聖誕帽，紅色天鵝絨配白色毛皮邊飾",
"dress": "無肩帶紅色天鵝絨洋裝，心形領口，領口處有厚實的白色人造毛皮邊飾，緊身束腰，喇叭裙擺，腰間繫有細金鍊腰帶",
"gloves": "長款紅色天鵝絨手套配白色毛皮袖口",
"jewelry": "黑色頸鍊，帶有小銀色十字架吊墜；垂墜式個性耳環"
},
"environment": {
"background": [
"右側裝飾好的聖誕樹，掛有金色緞帶花環和紅/金色飾品，頂部有金色星星",
"牆上掛著節日三角彩旗",
"牆上有簡單的聖誕老人裝飾",
"乾淨的白色/柔和色調背景"
],
"depth_of_field": "淺景深，背景柔和模糊但仍可辨識"
},
"lighting_and_camera": {
"lighting": "柔和的攝影棚主燈從左前方照射，輕柔補光，頭髮上有清晰高光，陰影極少不生硬",
"camera": "全片幅單眼相機效果",
"lens": "85mm 定焦鏡頭（或 50mm）",
"aperture": "f/2.0",
"focus": "眼睛和臉部銳利清晰，天鵝絨和毛皮邊飾的布料紋理清晰",
"white_balance": "中性暖色調"
}
},
"negative_prompt": [
"複製真實人物身份",
"多餘人物",
"文字、標誌、浮水印",
"過度平滑的皮膚，塑膠臉",
"糟糕的手，缺少手指，變形的手指",
"錯誤的解剖結構，扭曲的肩膀/頸部",
"帽子融入頭髮",
"毛皮邊飾看起來像塑膠",
"混濁的顏色，低解析度，嚴重模糊",
"臉部過度曝光，生硬的陰影"
]
}
```